From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755522AbYGOHEr (ORCPT ); Tue, 15 Jul 2008 03:04:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753535AbYGOHEi (ORCPT ); Tue, 15 Jul 2008 03:04:38 -0400 Received: from wa-out-1112.google.com ([209.85.146.181]:4784 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753272AbYGOHEi (ORCPT ); Tue, 15 Jul 2008 03:04:38 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:subject:date:user-agent:cc:references:in-reply-to :mime-version:content-type:content-transfer-encoding :content-disposition:message-id; b=CuHwjklS9jl4WGdpYoBpPOWO2O8mT1/HBGDeVePTSVNMhbtVJZTsS5VtEc0yKgAji0 bdEi5zSZ2XYzLPL4HMDMXiYTQoffMwi4mJ2JkNQknQpm8CknAUagENzM3TXowisins+x IYNgwPpMj2DSlhLquO4+/DvqNa7fvDMKZXcvE= From: Yinghai Lu To: Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" Subject: [PATCH] x86: make memtest support 32bit Date: Tue, 15 Jul 2008 00:03:44 -0700 User-Agent: KMail/1.9.9 Cc: linux-kernel@vger.kernel.org References: <200807150002.28398.yhlu.kernel@gmail.com> In-Reply-To: <200807150002.28398.yhlu.kernel@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200807150003.44497.yhlu.kernel@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org only support max_low_pfn below... Signed-off-by: Yinghai Lu --- Documentation/kernel-parameters.txt | 2 +- arch/x86/Kconfig | 1 - arch/x86/mm/init_32.c | 3 +++ 3 files changed, 4 insertions(+), 2 deletions(-) Index: linux-2.6/Documentation/kernel-parameters.txt =================================================================== --- linux-2.6.orig/Documentation/kernel-parameters.txt +++ linux-2.6/Documentation/kernel-parameters.txt @@ -1200,7 +1200,7 @@ and is between 256 and 4096 characters. or memmap=0x10000$0x18690000 - memtest= [KNL,X86_64] Enable memtest + memtest= [KNL,X86] Enable memtest Format: range: 0,4 : pattern number default : 0 Index: linux-2.6/arch/x86/mm/init_32.c =================================================================== --- linux-2.6.orig/arch/x86/mm/init_32.c +++ linux-2.6/arch/x86/mm/init_32.c @@ -844,6 +844,9 @@ unsigned long __init_refok init_memory_m reserve_early(table_start << PAGE_SHIFT, table_end << PAGE_SHIFT, "PGTABLE"); + if (!after_init_bootmem) + early_memtest(start, end); + return end >> PAGE_SHIFT; } Index: linux-2.6/arch/x86/Kconfig =================================================================== --- linux-2.6.orig/arch/x86/Kconfig +++ linux-2.6/arch/x86/Kconfig @@ -448,7 +448,6 @@ config PARAVIRT_DEBUG config MEMTEST bool "Memtest" - depends on X86_64 default y help This option adds a kernel parameter 'memtest', which allows memtest